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// SPDX-License-Identifier: MIT
// Copyright © 2018 WireGuard LLC. All Rights Reserved.
import os.log
class Logger {
static var logPtr: UnsafeMutablePointer<log>?
static func configure(withFilePath filePath: String) -> Bool {
let logPtr = filePath.withCString { filePathCStr -> UnsafeMutablePointer<log>? in
return open_log(filePathCStr)
}
Logger.logPtr = logPtr
return (logPtr != nil)
}
static func writeLog(mergedWith otherLogFile: String, to targetFile: String) -> Bool {
let otherlogPtr = otherLogFile.withCString { otherLogFileCStr -> UnsafeMutablePointer<log>? in
return open_log(otherLogFileCStr)
}
if let thisLogPtr = Logger.logPtr, let otherlogPtr = otherlogPtr {
return targetFile.withCString { targetFileCStr -> Bool in
let returnValue = write_logs_to_file(targetFileCStr, thisLogPtr, otherlogPtr)
return (returnValue == 0)
}
}
return false
}
}
func wg_log(_ type: OSLogType, staticMessage msg: StaticString) {
// Write to os log
os_log(msg, log: OSLog.default, type: type)
// Write to file log
let msgString: String = msg.withUTF8Buffer { (ptr: UnsafeBufferPointer<UInt8>) -> String in
return String(decoding: ptr, as: UTF8.self)
}
file_log(type: type, message: msgString)
}
func wg_log(_ type: OSLogType, message msg: String) {
// Write to os log
os_log("%{public}s", log: OSLog.default, type: type, msg)
// Write to file log
file_log(type: type, message: msg)
}
private func file_log(type: OSLogType, message: String) {
message.withCString { messageCStr in
if let logPtr = Logger.logPtr {
write_msg_to_log(logPtr, messageCStr)
}
}
}
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